To study aging, scientists are looking to outer space. Space travel causes changes to the body that are similar to aging. Dr. Sonja Schrepfer, UCSF Division of Adult Cardiothoracic Surgery, investigates space-related physiological changes, similar to those observed during aging, including defects in bone healing, loss of cardiovascular and neurological capacity, and altered immune function. Series: "Mini Medical School for the Public" [Health and Medicine] [Science] [Show ID: 36869]